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gptkbp:instance_of
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gptkb:jet_engine
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gptkbp:application
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gptkb:aircraft
gptkb:military_aircraft
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gptkbp:bore
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5.5 inches
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gptkbp:compression_ratio
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6.5:1
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gptkbp:configuration
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9-cylinder
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gptkbp:control_system
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Throttle-controlled
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gptkbp:cooling_system
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Air-cooled
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gptkbp:displacement
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1,820 cubic inches
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gptkbp:engine
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Electric starter
Influenced future aircraft engines
Used in various aircraft types.
Widely used in WWII
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gptkbp:engine_configuration
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Radial
Fuselage-mounted
Detailed specifications available
Horizontally opposed
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gptkbp:engine_power
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Reliable performance
Popular among vintage aircraft enthusiasts
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gptkbp:engine_type
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Two-stroke
Multiple variants produced
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gptkbp:first_flight
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gptkb:1930
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gptkbp:fuel_type
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gptkb:Avgas
Carbureted
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https://www.w3.org/2000/01/rdf-schema#label
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Wright R-1820-40
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gptkbp:ignition_system
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Dual ignition
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gptkbp:maintenance
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Regular maintenance required
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gptkbp:manufacturer
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gptkb:Wright_Aeronautical_Corporation
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gptkbp:power_output
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1,200 horsepower
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gptkbp:production_years
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1930-1950
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gptkbp:stroke
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6.0 inches
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gptkbp:successor
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gptkb:Wright_R-2600
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gptkbp:type
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Radial engine
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gptkbp:used_in
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gptkb:Douglas_DC-3
gptkb:Grumman_F4_F_Wildcat
gptkb:Boeing_B-17_Flying_Fortress
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gptkbp:valve_configuration
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Pushrod
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gptkbp:variant
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gptkb:R-1820-51
R-1820-76
R-1820-97
R-1820-57
R-1820-88
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gptkbp:weight
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600 pounds
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gptkbp:bfsParent
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gptkb:F4_F_Wildcat
gptkb:Grumman_F4_F_Wildcat
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gptkbp:bfsLayer
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4
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